To cite melt in publications use:

  Kim E, MacEachern SN, Peruggia M (2024). “melt: Multiple Empirical
  Likelihood Tests in R.” _Journal of Statistical Software_, *108*(5),
  1-33. doi:10.18637/jss.v108.i05
  <https://doi.org/10.18637/jss.v108.i05>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {{melt}: Multiple Empirical Likelihood Tests in {R}},
    author = {Eunseop Kim and Steven N. MacEachern and Mario Peruggia},
    journal = {Journal of Statistical Software},
    year = {2024},
    volume = {108},
    number = {5},
    pages = {1--33},
    doi = {10.18637/jss.v108.i05},
  }